qemu/include/hw/virtio/virtio-rng.h
Eduardo Habkost 8063396bf3 Use OBJECT_DECLARE_SIMPLE_TYPE when possible
This converts existing DECLARE_INSTANCE_CHECKER usage to
OBJECT_DECLARE_SIMPLE_TYPE when possible.

$ ./scripts/codeconverter/converter.py -i \
  --pattern=AddObjectDeclareSimpleType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00

52 lines
1.2 KiB
C

/*
* Virtio RNG Support
*
* Copyright Red Hat, Inc. 2012
* Copyright Amit Shah <amit.shah@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* (at your option) any later version. See the COPYING file in the
* top-level directory.
*/
#ifndef QEMU_VIRTIO_RNG_H
#define QEMU_VIRTIO_RNG_H
#include "hw/virtio/virtio.h"
#include "sysemu/rng.h"
#include "standard-headers/linux/virtio_rng.h"
#include "qom/object.h"
#define TYPE_VIRTIO_RNG "virtio-rng-device"
OBJECT_DECLARE_SIMPLE_TYPE(VirtIORNG, VIRTIO_RNG)
#define VIRTIO_RNG_GET_PARENT_CLASS(obj) \
OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_RNG)
struct VirtIORNGConf {
RngBackend *rng;
uint64_t max_bytes;
uint32_t period_ms;
};
struct VirtIORNG {
VirtIODevice parent_obj;
/* Only one vq - guest puts buffer(s) on it when it needs entropy */
VirtQueue *vq;
VirtIORNGConf conf;
RngBackend *rng;
/* We purposefully don't migrate this state. The quota will reset on the
* destination as a result. Rate limiting is host state, not guest state.
*/
QEMUTimer *rate_limit_timer;
int64_t quota_remaining;
bool activate_timer;
VMChangeStateEntry *vmstate;
};
#endif